Brain Test 4 Answers Urggh! I can't sleep again
Hey folks! Feeling stuck on Level 172 and scratching your head over another tricky puzzle? No worries, we've got your back. Check out the answers for level 172 in Brain Test 4, this specific puzzle is named "Urggh! I can't sleep again" in our game. If you're still unsure how to solve it, see below our level 172 walkthrough for a detailed solution.

Hint 1
Try to turn off the lights.
Hint 2
The light switch is hidden behind the door.
If your level 172 puzzle in the game is different, just navigate to the Brain Test 4 walkthrough list and select the solution you need.